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                    áÅл¯Ô¡ÔÃÔÂÒ·ÕèÁÕ¡Òà oscillation ·Õèà»ç¹·ÕèÃÙé¨Ñ¡áÅÐÈÖ¡ÉҡѹÁÒ¡·ÕèÊØ´¤×Í Belousov-Zhabotinsky reaction ·Õè¤é¹¾ºâ´Â Boris Belousov ã¹»Õ 1958 áµèäÁèä´éÃѺ㹼ŧҹ¨¹äÁèÍÒ¨µÕ¾ÔÁ¾ìä´é áÅéÇÁÕ Anatol Zhabotinsky¹ÓËÅÑ¡°Ò¹ÁÒÊÒ¹µèÍ ¨¹ÅºÅéÒ§¤ÇÒÁàª×èÍà¡èÒ æ ·Õè¼Ô´¾ÅÒ´¢Í§¹Ñ¡à¤ÁÕ·Õè¤Ô´ÇèÒµÑÇàͧ" ÃÙé´Õ¡ÇèÒ"  â´Â»®Ô¡ÔÃÔÂÒ¹ÕéÁÕª×èÍÂèÍ·ÕèÃÙé¨Ñ¡¡Ñ¹ÍÂèÒ§´ÕÇèÒ BZ reaction
                    BZ reaction à»ç¹»¯Ô¡ÔÃÔÂÒ oxidation ¢Í§ÊÒÃÍÔ¹·ÃÕÂìÍÂèÒ§ malonic acid ã¹ÊÒÃÅÐÅÒ¡ô·ÕèÁÕ bromate ion ÍÂÙè¾ÃéÍÁ·Ñé§ metal catalyst ¤×Í Ce(III)/Ce(IV) áÅÐ [Fe(II)phen]²⁺/[Fe(III)phen]³⁺  (ferroin/ferriin)ËÅѧ¨Ò¡·ÕèãËéàÇÅÒ´Óà¹Ô¹ä» ÊÑ¡ÃÐÂШ¹à¡Ô´ oscillation ¢Öé¹â´ÂÁÕ oscillatory wave à¡Ô´¢Öé¹â´Â¨ÐàËç¹ÊբͧÊÒÃÅÐÅÒÂà»ÅÕèÂ¹ä» ( àÁ×è;ԨÒóҷÕè¨Ø´ã´¨Ø´ ˹Öè§ã¹ÊÒÃÅÐÅÒÂ) â´Â¨Ðà»ÅÕè¹ÃÐËÇèÒ§ÊÕá´§¡Ñº¹éÓà§Ô¹ ( ferroin/ferriin )à»ç¹ªèǧàÇÅÒ·Õèà»ç¹ periodic »ÃÐÁÒ³ 1 ¹Ò·Õ â´ÂÊÕ ·Õèà»ÅÕè¹仹Ñé¹à»ÅÕè¹仵ÒÁÍѵÃÒÊèǹ¤ÇÒÁà¢éÁ¢é¹¢Í§ ferroin ¡Ñº ferriin¹Ñé¹àͧ â´Â¡ÒÃÊÑ蹨дÓà¹Ô¹ä»àªè¹¹Õéä»ÍÕ¡»ÃÐÁÒ³ 2 ªÑèÇâÁ§¨¹äÁèàËÅ×Í¡ÒÃÊÑ蹢ͧ¤ÇÒÁà¢éÁ¢é¹ ¹Ñ蹤×ÍÃкº¤èÍ æ à¢éÒÊÙèÊÁ´ØÅã¹áºº monotonic ãËéà»ç¹ä»µÒÁ»¯Ô¡ÔÃÔÂÒÃÇÁ¤×Í
3CH₂(COOH)₂ + 2HBr + HBrO₃ ==  3CHBr(COOH)₂ + 3H₂O áÅШ¹·éÒ·ÕèÊØ´¨Ðä´éà»ç¹ 3CH₂(COOH)₂+ 4HBrO₃ ==
4Br^- + 9CO₂ + 6H₂O â´Â¼èÒ¹ mechanism ·Õè«Ñº«é͹¹Ñ蹤×Í áÁé¨ÐÁÕ¡ÒÃoscillate ãËé¤ÇÒÁà¢éÁ¢é¹¢Í§ species ·ÕèÊӤѭ¤×Í malonic acid , bromate ¡ÅѺÁÒ ä´éµÒÁ period áµè¤ÇÒÁà¢éÁ¢é¹¢Í§ species àËÅèÒ¹Õé¡çÂѧ¤§Å´Å§ªéÒ æ ÍÂèÒ§µèÍ à¹×èͧµÒÁ¼Å¢Í§»¯Ô¡ÔÃÔÂÒÃÇÁ ( àÁ×è;ԨÒóҷÕè¨Ø´ æ ˹Öè§ã¹·Ø¡ªèǧ period )
                    áµè¡Òà oscillate ¢Í§¤ÇÒÁà¢éÁ¢é¹¢Í§ BZ reaction 㹡Ò÷´Åͧ·Õè condition »¡µÔ¨ÐäÁèà»ç¹ chaos â´ÂµÑÇ»¯Ô¡ÔÃÔÂÒâ´ÂµÃ§ à¾ÃÒÐÊÑè¹à»ç¹ periodic áÅÐà¢éÒÊÙè attractor »¡µÔ áµèÁÕ pattern formation ·ÕèÊÒÁÒöáÊ´§ÅѡɳТͧ chaos ÍÍ¡ÁÒä´é  ÊèÇ¹ã¹¡Ã³Õ BZ reaction ·Õè·Ó¡Ò÷´Åͧ㹠Contious-flow Stirred Tank Reactor (CSTR) Íѹà»ç¹ÇÔ¸Õ·Õè¨ÐãË黯ԡÔÃÔÂÒ¤§ÍÂÙè¹Ò¹·ÕèÊØ´ ¡ÒÃÊÑ蹢ͧ¤ÇÒÁà¢éÁ¢é¹¨Ò¡ periodic¨Ðà¢éÒÊÙè unperiodic·Õèà»ç¹ chaos â´ÂµÃ§ã¹·ÕèÊØ´ «Öè§ã¹ CSTR BZ reaction ¨Ð·ÓãËé pattern formation ·Õèä´éà»ç¹ÁÕÅѡɳТͧ chaos ÍÂèÒ§á¹è¹Í¹
                    áµè㹡ÒÃÈÖ¡ÉÒ BZ reaction 㹻Ѩ¨ØºÑ¹¹ÔÂÁãªé metal catalyst ÍÂèÒ§ Ru(bpy)₃²⁺/Ru(bpy)₃³⁺ á·¹ à¾ÃÒÐÊÒÁÒö illuminate ã¹ UV ä´é â´Â  Ru(bpy)₃²⁺ ¹Ñé¹ÁÕÊÕá´§áÅÐãËé fluorescence ·Õè´Õ áµè Ru(bpy)₃³⁺ ÁÕÊÕà¢ÕÂÇáµèäÁèÁÕ fluorescence ·ÕèÁÕ»ÃÐ⪹ìÍÂèÒ§ÂÔè§ã¹¡ÒÃÈÖ¡ÉÒ excitable media ¢Í§ BZ reaction

                       µÑÇÍÂèÒ§ concentration wave ·Õèà¡Ô´¢Öé¹ã¹ BZ reaction